MAX708CUA datasheet, PDF - EEWORLD Datasheet

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MAX708CUA: DescriptionSupervisory Circuits; CategoryPower/power management The power supply circuit; File Size146KB，16 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX708CUA Overview

Supervisory Circuits

MAX708CUA Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	SOIC
package instruction	MICRO MAX PACKAGE-8
Contacts	8
Reach Compliance Code	not_compliant
ECCN code	EAR99
Adjustable threshold	YES
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	S-PDSO-G8
JESD-609 code	e0
length	3 mm
Humidity sensitivity level	1
Number of channels	2
Number of functions	1
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.19
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	245
power supply	5 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply current (Isup)	0.35 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Threshold voltage nominal	+4.4V
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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19-1306; Rev 0; 10/97

EVALUATION KIT

AVAILABLE

Serial-to-Parallel/Parallel-to-Serial Converters and

Load-Switch Controllers with SMBus Interface

________________General Description

The MAX1661/MAX1662/MAX1663 serial-to-parallel/

parallel-to-serial converters are intended to control external

power MOSFETs in power-plane switching applications.

These small, low-cost devices can be used on a system

motherboard to control point-of-load switching from a 2-

wire SMBus™ serial interface. Each device has three high-

voltage open-drain outputs that double as TTL-level logic

inputs, giving them bidirectional capabilities. The I/O pins

can withstand +28V, so they can control battery voltage-

distribution switches in notebook computers.

The MAX1661 is intended for driving N-channel MOSFETs

and its outputs are low upon power-up. The MAX1662/

MAX1663 are intended for P-channel MOSFETs, and their

outputs are high-impedance upon power-up. This ensures

that the MOSFETs are off at power-up, so the system can

enforce power-plane sequencing.

The

SMBSUS

control input selects control data between

two separate data registers. This feature allows the system

to select between two different power-plane configurations

asynchronously, eliminating latencies introduced by the

serial bus. Other features include thermal-overload and

overcurrent protection, ultra-low supply current, and both

hardware and software interrupt capabilities. These

devices are available in the space-saving 10-pin µMAX

package.

____________________________Features

Performs Serial-to-Parallel and Parallel-to-Serial

Conversions

Three General-Purpose Digital Input/Output Pins

(withstand +28V)

SMBus 2-Wire Serial Interface

Supports

SMBSUS

Asynchronous Suspend Mode

3µA Supply Current

+2.7V to +5.5V Supply Range

Space-Saving, Low-Cost 10-Pin µMAX Package

MAX1661/MAX1662/MAX1663

______________Ordering Information

PART

MAX1661EUB

MAX1662EUB

MAX1663EUB

TEMP. RANGE

-40°C to +85°C

PIN-PACKAGE

10 µMAX

__________________Pin Configuration

TOP VIEW

I/O1

ALERT

SMBCLK

SMBDATA

SMBSUS

ADD

________________________Applications

Power-Plane Switching

Point-of-Load Power-Bus Switching

Notebook and Subnotebook Computers

Desktop Computers

Smart Batteries

I/O2

I/O3

GND

MAX1661

MAX1662

MAX1663

µMAX

Typical Operating Circuits appear at end of data sheet.

______________________________________________________________Selector Guide

PART

MAX1661

POWER-ON-

RESET STATE

Outputs Low

INTENDED

APPLICATION

N-Channel MOSFETs

SMBus ADDRESS

ADDRESS PIN

GND

High-Z

GND

High-Z

GND

High-Z

ADDRESS

0100000

0111100

1001000

0100001

0111101

1001001

0100010

0111110

1001010

MAX1662

Outputs High

(high-Z state)

Outputs High

(high-Z state)

P-Channel MOSFETs

MAX1663

P-Channel MOSFETs

SMBus is a trademark of Intel Corp.

________________________________________________________________

Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 408-737-7600 ext. 3468.

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